diff --git a/sample/build.gradle b/sample/build.gradle
index f65699e..de76e02 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -32,7 +32,8 @@ dependencies {
     api project(':graphenej')
     implementation 'com.android.support:appcompat-v7:27.1.1'
     implementation 'com.android.support:recyclerview-v7:27.1.1'
-    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    implementation 'com.android.support:design:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
     implementation 'com.jakewharton.rxbinding2:rxbinding:2.1.1'
     implementation 'com.jakewharton:butterknife:8.8.1'
     implementation 'com.google.code.gson:gson:2.8.4'